Question 9.PE.5: To investigate the encoder For this exercise you will need t...

Practical Digital Electronics for Technicians

To investigate the encoder
For this exercise you will need the following components and equipment:

1 – 74LS147 ic (10-line to 4-line priority encoder)
1 – +5 V dc power supply
4 – LED (5 mm) and series resistor (270 Ω)

The pin connection diagram of the 74147 ic is shown in Figure 9.20. Note that the inputs and outputs are active low. In other words, a logic 0 at the input is necessary to activate the corresponding output which will then also be logic 0.

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